Table base



FIG. 1 is a perspective view of a table base of my new design, with environment shown in broken line and forming no part of the claimed design;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a table base, as shown and described. 